resolveOnly option prevent local file resolution

[arantes555]

• Rollup Plugin Name: node-resolve
• Rollup Plugin Version: 7.1.0 & 7.1.1
• Rollup Version: 1.31.0
• Operating System (or Browser): macOS
• Node Version: v13.7.0

How Do We Reproduce?

git clone https://github.com/arantes555/node-resolve-local-files.git
cd node-resolve-local-files
npm install
node build.js

Expected Behavior

Using node-resolve 7.1.x with the resolveOnly option should prevent resolving other node modules, but should not prevent resolving local files.

Actual Behavior

Using node-resolve 7.1.x with the resolveOnly option prevents resolving local files.

[shellscape]

Thanks for reporting the issue. We'd be happy to review a PR that resolves this.

[shellscape]

Closed by #337